I got foamy urine about ten years ago, when i was ingesting too much protein. i only used hormones during that period also.
Last year, at 38yo doctor told me my creatinin levels were on the high side, regarding my age.
Kidney issues is a given among bodybuilding, kidney have to filter an excess of toxins from the added muscle weight, high protein diet, high blood pressure, the hormones and dat dere cell-tech.
I have some Flex magazines from 1995 when i was a teen, and 25% of the adds were about urologists. At the time i never understood why, since it was a "healthy" way of life.